Knowledge Base

What is this CrayDoc Knowledge Base?

The CrayDoc Knowledge Base contains supplemental documentation. These documents are published between software release cycles and help explain new features and techniques for getting better functionality from your Cray system.

The CrayDoc Knowledge Base also contains legacy documentation. Always consult the latest version of documentation for your site-specific configuration and ask your Cray Customer Service representative for additional guidance on the latest software documents.

Creating a Cray System Management Workstation (SMW) Bootable Backup Drive (Nov 2009) Describes how to 1) create a Cray System Management Workstation (SMW) bootable back-up drive to replace the primary drive if the primary drive fails; 2) modify a bootable back-up drive in order to boot from and run the SMW from the back-up root partition; and 3) execute an emergency procedure for SMW recovery.

Creating a Cray System Management Workstation (SMW) Bootable Backup Drive (Apr 2010) Describes how to 1) create a Cray System Management Workstation (SMW) bootable back-up drive to replace the primary drive if the primary drive fails; 2) modify a bootable back-up drive in order to boot from and run the SMW from the back-up root partition; and 3) execute an emergency procedure for SMW recovery.

Power and Thermal Capping Affects on GPU Performance (Apr 2012) Describes the Cray XK6 System changes introduced by the Nvidia SXM-1 module with a Fermi (GF110) GPU. It focuses on the Nvidia Power and Thermal Capping feature and how it can affect application performance.

Using the Cray XMT Snapshot Library (Jul 2010) The Cray XMT snapshot library provides a high speed bulk data transfer facility that moves data between memory regions within an MTK application and files hosted on the XMT Linux service partition.

Using the PAPI Cray NPU Component (Mar 2013) Describes the standalone PAPI component and how to use it to analyze application performance outside of the context of the Cray Performance Measurement and Analysis Tools.